Before we look to take advantage of fleeing American talent, let’s nurture the Canadian talent we have here by increasing R&D spending

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The CERC Program offers eligible Canadian degree-granting universities the opportunity to establish research Chairs at their institutions in research areas that are of strategic importance to Canada.

Posted 9:23:25 PM. The Department of Chemistry at Queen's University invites applicants for a tenure-track faculty…See this and similar jobs on LinkedIn.

Assistant Professor - Dept. of Chemistry & Biochemistry

High-field dynamic nuclear polarization nuclear magnetic resonance (DNP NMR) spectroscopy transfers polarization from unpaired electrons in polarizing agents to nuclei of interest to boost NMR sensitivity. Verdazyl biradicals are a promising choice as polarizing agents because they have been found to generate narrower electron paramagnetic resonance (EPR) signals compared to nitroxide biradicals; an advantageous characteristic for high-field DNP when operating above 400 MHz/263 GHz. The use of verdazyl radicals as DNP polarizing agents has been very limited to date, yet, recent numerical simulations have predicted that verdazyl-nitroxide hybrid biradicals could be more effective polarizing agents than nitroxide-nitroxide biradicals. Herein, the syntheses of a series of verdazyl mono- and biradicals, as well as verdazyl-nitroxide biradicals are described. These radicals were examined in high-field DNP NMR experiments (600 MHz/395 GHz), by measuring 1H signal enhancements directly and through 13C{1H} cross-polarization experiments. X-band EPR, 1H DNP field profiles, and experiments to determine the nuclear build-up times were performed for verdazyl-nitroxide biradicals VerTEMPol and VerTEKol. These hybrid biradicals provide enhancements of up to 100-fold increased signal intensities (i.e., representing >104-fold time savings), approximately four times higher than that of the nitroxide biradical TEKPol, a commonly used polarizing agent in the field.

One-size-fits-all approach gives fluent writing an outsize role in research success, warns Rachel Oliver

Our 7th most-read article of 2024. - - -Dear Committee Members, As part of the faculty review process, I am pleased to report to you on my work. ...